CN209098477U - A kind of printing and dyeing hazardous waste sludge processing system - Google Patents
A kind of printing and dyeing hazardous waste sludge processing system Download PDFInfo
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- CN209098477U CN209098477U CN201821344246.0U CN201821344246U CN209098477U CN 209098477 U CN209098477 U CN 209098477U CN 201821344246 U CN201821344246 U CN 201821344246U CN 209098477 U CN209098477 U CN 209098477U
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- dyeing
- printing
- hazardous waste
- waste sludge
- processing system
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/40—Valorisation of by-products of wastewater, sewage or sludge processing
Abstract
The utility model discloses a kind of printing and dyeing hazardous waste sludge processing systems, including sequentially connected conditioning reforming apparatus, filter-pressing device, drying device, pyrolysis carbonizing plant, exhaust gas processing device and combustion chamber, wherein, the gas outlet of drying device also passes through pipeline and air-introduced machine and the air inlet of exhaust gas processing device connects, the gas outlet of combustion chamber connects the air inlet of pyrolysis carbonizing plant by pipeline, and the heat that burning is generated introduces pyrolysis carbonizing plant and recycles.Printing and dyeing hazardous waste sludge is disposably cured to required degree by the system, sludge is reduced to the maximum extent, printing and dyeing hazardous waste sludge is solved and is difficult to the technical bottleneck being dehydrated.
Description
Technical field
The present invention relates to a kind of processing disposal systems of hazardous waste sludge of printing and dyeing, and are mainly used in the processing row of danger wastes
Industry.
Background technique
Textile printing and dyeing wastewater discharges hundred million tons of annual 20-23 every year, and wastewater discharge accounts for 11% left side of national discharge of wastewater
The right side, every printing and dyeing hazardous waste sludge yield are about ten thousand tons of 2000-3000, therefore, knit the high pollution characteristic of dyeing usually by
The concern of environmentally friendly aspect.Textile raw material is processed as in the production process of textile, can be generated and be brought more than 8000 kinds to environment
The chemicals of destruction, during treatment of dyeing wastewater, these poisonous and hazardous organic pollutant 70-90% transfer to sludge
In.
Hazardous waste sludge of printing and dyeing contains a large amount of organic matter, bacterium as the by-product generated during treatment of dyeing wastewater
Body, inorganic particle, colloid and a large amount of heavy metal etc., a large amount of benzene homologues, the polycyclic aromatic hydrocarbon, disease that contain in hazardous waste sludge of printing and dyeing
Substance, easily smelly corruption have certain environmental risk, if printing and dyeing hazardous waste sludge is discharged into environment without processing, are bound to
It will cause the secondary pollution of environment.
The main method of disposal of hazardous waste sludge of printing and dyeing currently on the market is multiple in hazardous waste sludge of printing and dyeing for " mechanical dehydration+burning "
Water in miscellaneous organic matter and sludge is combined closely, and after mechanical dehydration, moisture content is only capable of reaching 70-85%, is directly burned
After expend a large amount of energy.Can be from largely making sludge reduction and innoxious in addition, burning, but traditional sludge is burned
System energy consumption is higher, and cost of investment is big, and the pollution environment such as dioxin, sulfur dioxide, sour gas (HF, HCl) generated, together
When generate flying dust in heavy metal do not obtain effective Stabilization Control, it is not handled in the prior art, is intended to
Urgently improve.
Utility model content
In view of the deficiencies of the prior art, the utility model provide it is a kind of can solidify print and dye hazardous waste sludge in heavy metal and have
Evil substance solves printing and dyeing hazardous waste sludge dehydration hardly possible, and the printing and dyeing hazardous waste sludge processing system of no pollution to the environment.
To achieve the above object, the utility model provides following technical solution:
A kind of printing and dyeing hazardous waste sludge processing system, including conditioning reforming apparatus, filter-pressing device, drying device, pyrolysis carbonization
Device, exhaust gas processing device and combustion chamber；Improving reforming apparatus has feed inlet, discharge port and dosing mouth, and interior set stirs dress
It sets；The feed inlet of the discharge port and filter-pressing device that improve reforming apparatus connects；The discharge port of filter-pressing device is given by spiral quantitative
The discharge port of the connection of the feed inlet of material machine and drying device, drying device by screw fixed-weight feeder and is pyrolyzed carbonizing plant
Feed inlet connection, drying device and the gas outlet for being pyrolyzed carbonizing plant pass through the air inlet of pipeline and air-introduced machine and exhaust gas processing device
The gas outlet of mouth connection, exhaust gas processing device is connected by pipeline and air-introduced machine and the air inlet of combustion chamber, the outlet of combustion chamber
Mouth connects the air inlet of pyrolysis carbonizing plant by pipeline, and the heat introducing pyrolysis carbonizing plant that burning is generated recycles.
Preferably, it is equipped with storage device between conditioning reforming apparatus and the filter-pressing device, improves the discharging of reforming apparatus
It mouthful is connected by the feed inlet of sludge impeller pump and storage device, the discharge port of storage device passes through plunger pump and filter-pressing device
Feed inlet connection.
Preferably, the filter-pressing device is membrane pressure filter.
Preferably, the drying device is disk drying machine, is passed through steam source by the hollow shaft of disc dryer.
Preferably, the pyrolytic carbon makeup is set to external-heat carbide furnace, inside sets water conservancy diversion and anti-extension close-burning structure.
Preferably, filled with nitrogen inside the pyrolysis carbonizing plant.
Preferably, the discharge port of the pyrolysis carbonizing plant connects spiral coolconveyer.
Preferably, the tail gas unit includes sequentially connected cyclone dust collectors, bag filter, activated carbon adsorption dress
It sets.
The utility model provides a set of perfect printing and dyeing hazardous waste sludge processing system, has the advantages that
By the system, printing and dyeing hazardous waste sludge is disposably cured to required degree, sludge is carried out to the maximum extent
It is reduced (moisture content 10-40%), solves printing and dyeing hazardous waste sludge and be difficult to the technical bottleneck being dehydrated.
After the pyrolysis installation carbonization in the system, heavy metal therein is fixed in carbon hazardous waste sludge of printing and dyeing, and is reduced
Leaching, also, the pyrolysis carbide after carbonization is alternatively arranged as the raw material of making brick from sludge, realizes the resource of hazardous waste sludge
Change and utilizes.
Detailed description of the invention
Fig. 1 is the process flow diagram of the printing and dyeing hazardous waste sludge processing system disclosed in embodiment.
Specific embodiment
Referring to the drawings and specific embodiments, the utility model is described in further detail.
As shown in connection with fig. 1, a kind of printing and dyeing hazardous waste sludge processing system disclosed in embodiment, printing and dyeing hazardous waste sludge its mainly wrap
Sequentially connected conditioning reforming apparatus, filter-pressing device, drying device, pyrolysis carbonizing plant, exhaust gas processing device and combustion chamber are included,
Wherein, the tail gas that drying device and carbonizing plant generate all leads to exhaust gas processing device by pipeline, handles through tail gas unit
The on-condensible gas obtained afterwards leads to combustion chamber, and the energy that combustion chambers burn on-condensible gas generates flows back into the carbon of pyrolysis carbonizing plant
Change and is recycled in furnace.
Conditioning reforming apparatus concretely improve modification pond, including feed inlet, discharge port and dosing mouth, and interior sets stirring
Machine.The discharge outlet for improving reforming apparatus is equipped with sludge impeller pump, will improve modified sludge by sludge impeller pump and is passed through
It is kept in into storage tank (not shown)；Plunger pump is connected at the bottom discharge port of storage tank, will be improved by plunger pump modified
Sludge be sent to filter-pressing device.The dosing mouth for improving reforming apparatus is connect with outside bubble medicine machine, and passes through diaphragm metering pump for PAM
+ PAC is passed into conditioning reforming apparatus.
Filter-pressing device is preferably membrane pressure filter, is compared to high pressure spring plate and frame filter press, belt filter press, centrifugation
Dewaterer etc., membrane pressure filter have the characteristics that filter area is big, the rate of filtration is fast, low energy consumption, sludge discharging solid content is high.
Drying device is preferably disk drying machine, is equipped with stator, driving motor and rotor in disc dryer, wherein
Rotor is made of a hollow shaft and one group of hollow disk, and the outside of disk is equipped with propeller or blender, and driving motor is logical
Cross embedded gear reduction unit driving hollow shaft disk.Using steam or conduction oil as heat source, dry temperature is disc dryer
140-230 DEG C, have the characteristics that heat transfer area it is big, it is small in size, to sewage sludge feed moisture content strong applicability.
Pyrolytic carbon makeup is set to external-heat carbide furnace, and carbide furnace includes gas inlet, offgas outlet and discharge port, discharge port
Spiral coolconveyer is connected, water conservancy diversion and anti-extension close-burning structure is internally provided with, has the characteristics that heat transfer rate is fast, high-efficient.Outside
Filled with nitrogen inside hot type carbide furnace, it is in anaerobic environment.
Exhaust gas processing device includes cyclone dust collectors, bag filter and activated carbon adsorption device, first passes through cyclone dust removal
Large dust particle is removed, and the vapor in exhaust gas is cooled down, particle dust is then removed by bag filter again,
It is finally passed through activated carbon adsorption device deodorization again.The on-condensible gas that exhaust gas processing device generates is passed into combustion chamber by air-introduced machine
In, the heat generated after combustion chambers burn is passed through again in middle retort.This knockdown dedusting method efficiency of dust collection is reachable
99% or more, dust removing effects are very good.
Combustion chamber includes that air inlet is connected by the gas outlet of pipeline and air-introduced machine and exhaust gas processing device, and gas outlet passes through
The air inlet of pipeline connection pyrolysis carbonizing plant, the heat that burning is generated introduce pyrolysis carbonizing plant and recycle.
In above-mentioned apparatus, screw fixed-weight feeder, drying device and pyrolytic carbon are equipped between filter-pressing device and drying device
Makeup is equipped with screw fixed-weight feeder between setting, and air-introduced machine, drying device and heat are equipped between exhaust gas processing device and combustion chamber
The gas outlet of solution carbonizing plant is connect by pipeline with the air inlet of air-introduced machine and exhaust gas processing device.
Based on above system, workflow is as follows:
The utility model is based on pyrolysis carbonization technology, realizes printing and dyeing the innoxious of hazardous waste sludge, minimizing, at recycling
Reason, the printing and dyeing hazardous waste sludge that moisture content is 95-99% first in storage device are passed into the modified pond of conditioning by sludge impeller pump
In, ‰ PAM+10-15%PAC of 2-3 is added, stands 15min after being uniformly mixed；After conditioning is modified, pass through plunger pump
It is pressed into diaphragm filter press and carries out filters pressing, the printing and dyeing hazardous waste sludge moisture content after filters pressing is 70%-85%；After filters pressing
Printing and dyeing hazardous waste sludge is transported in disc dryer by screw fixed-weight feeder, is passed through steaming by the hollow shaft of disc dryer
Vapour heat source is dried；The tail gas generated after drying is directly entered exhaust gas processing device by pipeline, the printing and dyeing dangerous waste after drying
Moisture percentage in sewage sludge is 10-40%；After drying print and dye hazardous waste sludge by screw fixed-weight feeder be passed through to be pyrolyzed carbide furnace in into
Row pyrolysis carbonization；The storage pack brickmaking after external spiral coolconveyer water-cooling spiral is cooling of obtained pyrolysis carbide,
The pyrolysis gas of discharge is passed through exhaust gas processing device；Cyclone dust collectors, bag filter and active carbon in exhaust gas processing device are inhaled
Adsorption device is dusted the tail gas from disc dryer and the pyrolysis gas from pyrolysis carbide furnace, removes at steam and deodorization
Reason；Gas after removal steam and dust enters combustion chamber and burns, and the energy of generation, which backs into carbide furnace, to be recycled.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model according to the present utility model design is subject to equivalent substitution or change, should all cover at this
Within the protection scope of utility model.
Claims (8)
1. a kind of printing and dyeing hazardous waste sludge processing system, which is characterized in that including conditioning reforming apparatus, filter-pressing device, drying device,
It is pyrolyzed carbonizing plant, exhaust gas processing device and combustion chamber；Improving reforming apparatus has feed inlet, discharge port and dosing mouth, and interior
If agitating device；The feed inlet of the discharge port and filter-pressing device that improve reforming apparatus connects；The discharge port of filter-pressing device passes through spiral shell
The feed inlet for revolving constant feeder and drying device connects, and the discharge port of drying device passes through screw fixed-weight feeder and pyrolytic carbon
Disguise the feed inlet connection set, drying device and the gas outlet for being pyrolyzed carbonizing plant are filled by pipeline and air-introduced machine and vent gas treatment
The air inlet connection set, the gas outlet of exhaust gas processing device are connected by pipeline and air-introduced machine and the air inlet of combustion chamber, burning
The gas outlet of room connects the air inlet of pyrolysis carbonizing plant by pipeline, and the heat that burning is generated introduces pyrolysis carbonizing plant again
It utilizes.
2. printing and dyeing hazardous waste sludge processing system according to claim 1, which is characterized in that the conditioning reforming apparatus and pressure
It filters and is equipped with storage device between device, the discharge port of the conditioning reforming apparatus passes through the charging of sludge impeller pump and storage device
The discharge port of mouth connection, the storage device is connected by the feed inlet of plunger pump and filter-pressing device.
3. printing and dyeing hazardous waste sludge processing system according to claim 1 or 2, which is characterized in that the filter-pressing device be every
Membrane type press filter.
4. printing and dyeing hazardous waste sludge processing system according to claim 1 or 2, which is characterized in that the drying device is circle
Tray drier is passed through steam source by the hollow shaft of disc dryer.
5. printing and dyeing hazardous waste sludge processing system according to claim 1 or 2, which is characterized in that the pyrolysis carbonizing plant
For external-heat carbide furnace, water conservancy diversion and anti-extension close-burning structure are inside set.
6. printing and dyeing hazardous waste sludge processing system according to claim 1 or 2, which is characterized in that the pyrolysis carbonizing plant
Inside is filled with nitrogen.
7. printing and dyeing hazardous waste sludge processing system according to claim 1 or 2, which is characterized in that the pyrolysis carbonizing plant
Discharge port connect spiral coolconveyer.
8. printing and dyeing hazardous waste sludge processing system according to claim 1 or 2, which is characterized in that the exhaust gas processing device
Including sequentially connected cyclone dust collectors, bag filter, activated carbon adsorption device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821344246.0U CN209098477U (en) | 2018-08-21 | 2018-08-21 | A kind of printing and dyeing hazardous waste sludge processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821344246.0U CN209098477U (en) | 2018-08-21 | 2018-08-21 | A kind of printing and dyeing hazardous waste sludge processing system |
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| Publication Number | Publication Date |
|---|---|
| CN209098477U true CN209098477U (en) | 2019-07-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821344246.0U Active CN209098477U (en) | 2018-08-21 | 2018-08-21 | A kind of printing and dyeing hazardous waste sludge processing system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112174471A (en) * | 2020-10-30 | 2021-01-05 | 芜湖海创实业有限责任公司 | Pyrolysis desorption treatment system and method for oily sludge |
| CN113998866A (en) * | 2021-10-29 | 2022-02-01 | 广东尚鼎环境科技有限公司 | Organic solid waste treatment system and treatment process thereof |
-
2018
- 2018-08-21 CN CN201821344246.0U patent/CN209098477U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112174471A (en) * | 2020-10-30 | 2021-01-05 | 芜湖海创实业有限责任公司 | Pyrolysis desorption treatment system and method for oily sludge |
| CN113998866A (en) * | 2021-10-29 | 2022-02-01 | 广东尚鼎环境科技有限公司 | Organic solid waste treatment system and treatment process thereof |
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